                &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}\\
                &\multicolumn{1}{c}{leakage}&\multicolumn{1}{c}{leakage}&\multicolumn{1}{c}{emissions}&\multicolumn{1}{c}{emissions}\\
\hline
\hline
Average treatment effect&    12.11&    18.64&    35.91&    41.79\\
95\% confidence interval&[2.5,28.7]&[3.7,181.0]&[11.4,57.5]&[2.7,64.1]\\
\hline Controls &         &        Y&         &        Y\\
\hline Log Likelihood&  -195.21&  -163.84&  -268.37&  -249.61\\
Observations    &       52&       49&       52&       49\\
